Home / 20,190.64-30,277.76-8,793.18

Finding the Fourth Proportional to 20,190.64, 30,277.76 and 8,793.18

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Solution

The fourth proportional to 20,190.64, 30,277.76 and 8,793.18 is: 13,186.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,190.64 : 30,277.76 = 8,793.18 : x
  2. Step 2: Convert to fraction form
    20,190.64/30,277.76 = 8,793.18/x
  3. Step 3: Cross multiply
    20,190.64x = 30,277.76 × 8,793.18
  4. Step 4: Simplify right side
    20,190.64x = 266,237,896.69
  5. Step 5: Solve for x
    x = 266,237,896.69/20,190.64
  6. Step 6: Final answer
    x = 13,186.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.